mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-10-17 18:19:04 +02:00
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ole
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import (
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"fmt"
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"strings"
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"golang.org/x/sys/windows"
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)
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func formatHRESULT(h HRESULT) string {
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numeric := fmt.Sprintf("COM HRESULT 0x%08X", uint32(h))
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code := uint32(h)
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if (code>>16)&0x1fff == 7 { // FACILITY_WIN32 stores the system error in the low word.
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code &= 0xffff
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}
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var buffer [1024]uint16
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n, err := windows.FormatMessage(
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windows.FORMAT_MESSAGE_FROM_SYSTEM|windows.FORMAT_MESSAGE_IGNORE_INSERTS,
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0,
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code,
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0,
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buffer[:],
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nil,
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)
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if err != nil {
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return numeric
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}
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message := strings.TrimSpace(windows.UTF16ToString(buffer[:n]))
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if message == "" {
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return numeric
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}
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return numeric + ": " + message
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}
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